Trotskyist: Make a zine about how quiet is required for true marxism and slide it under their door. Then call the cops on them for possessing marxist material.

Marxist-Leninist: Call the communist cops

Situationist: Make a video essay about it idk

Council communist: Move out and into a commune of quiet people

Why are they loudly singing at 3am. That sounds fun. They are probably cool.

You should form an opposing force to the idea and sing back.

Go up there, bang on their door, and ask them "do you need a third?" And join in.

The behavior doesn't come from nowhere. If you want it to change then, from the standpoint of structural analysis, you need to find out what is causing it in the first place.

Sounds like they're drinking and having a good time. I think you have to bring a gallon of brandy and 30 yards of linen as a gift and then join in with their 3 AM singing.

Tell them that they're idealists (they have bad ideas) and advise them to take into account material reality (your sanity)

sing the soviet national anthem loudly, with instrumental backing, when you get up at the correct time* for marxists.

*The time when the sun is 18° below the horizon and indirect light begins to show, aka morning twilight.

Sing louder and better.

Make a playlist of Marxist Audiobooks, mix it up with some Parenti talks and fall asleep to some praxis on earbuds

Reclaim their means of musical production

hook it up to some loudspeakers in the area and the noise will make land value go down and you can then swoop in and buy your home, turning your landlords private property into your personal property.

Pull a norm finklestein and threaten to call ICE on them